Auto-tire signal pressure-gage.



a. F. ammoun & E. T. m c HAnbs.

AUTO TIHE SIGNAL PRESSURE GAGE.

'AEPLICA'TION FILED MIG-24, I915- n W W m m a M 3 m M a E a W H M F m UNITED S A ES P3; NT ormon.

GEORGE FREDERICK DIAMOND AND EDWARD T. RICHARDS, OF K1 NGSTON, NEW YORK.

AUTO-TIRE SIGNAL PRESSURE-GAGE.

Specification of Letters Patent. Pate ied Feb. 13, 1917.

' Application filed August 24, 1915. Serial No. 47,111. To all whom it may concern: A is screwed. about the casing of the valve Be it known that we, Gnoaen F. DIAMOND upon the tire. C01 nnunicating with the and EDWARD THOMAS Bronanns, citizens of pipe A at an angle tl ereto is a pipe I), havthe United States. residing at Kingston, in ing a partition 11 therein having apertures 5 the county of Ulster and State of New York, E and provided wit 1 a pin valve 1, and 1': have invented. certain new and useful Irnis a piston which centrally apertured to ')roven1ents in Auto-Tire Signal Pressure receive the pin valve l. K is a coiled spring 60 Gages; and we do hereby declare the followbearing at one end against the piston and ing to be a full, clear, and exact description its other end is seemed. to a disk N fastened of the invention, such as 1/111 enable others to the screw l), wh ch latter is mounted in skilled in. the art to wlri ch it appertains to a threaded aperture in the end of the pipe make and use the same, reference being ad D. A whistle S iori'ned in the end of the 65 to the accompanying drawings, and to, the pipe I) and serves as a signal when the pres letters and figures of reference marked sure of the air reaches a certain limit. i thereon, which form a part of this specificagage T is provided with a laterally extendtion. ing arm R which, apertured for the rehis invention relates to new and useful ception of the sore x l), which is swiveled' 70 iirnprovelnents in auto tire signal pressure therein and is HIOVt ble through an aperture gages for use in inflating pneumatictires S formed in the u all of the pipe.

In operation, the thumb screw is turned and consists essentially in the provision of a gage indicating Idertain pressure at'which a to adjust the tensicn ot the spring K to the signal is desired" to be given when the tire desired pressure 0:? air which it is desired 70 is being inflated. y to put upon the tireto be inflated, the

Our invention consists of a. simple and amount ot'pressure being, indicated on the efiicient device of this nature, having various gage T. The air is then introduced through details of construction, combinations and arthe valve-regulatel opening A and, when rangements of parts which will be hereinthe tire is filled with air'to the desired 80 after fully described shown in the accoin- .pressure, the whisde will give a signal, a panying drawings and then specifically denouncing that the desired pressure has been lined in the appended claims. obtained, after wliich the supply of air may Our invention is illustrated in the accom be cut ofi. panying drawings, in which: What we claim to be new is:-- 85 Figure 1 is a vertical central sectional 1. An auton'iobi e tire signal pressure view, parts being shown in elevation. comprising a pipe for attachment to the Fig. 2 is a sectional view on ine 2--2 of valve casing of a tire and provided with a valve therein, a branching pipe with an ap- Fig. 1.

Reference now being had to the details oi ertured partition therein, a pm valve upon the drawings by letter, A designates a pipe said partition, an apertured valve 1 piston which is adapted to be connected at one enc within the branching pipe, a screw titted in with an air supply pipe and near the end of a threaded aperti re in one end of the branch the pipe which is to beconnected is formed ing pipe, a diet fitted to the end of: the

a partition A having a valve A controlling screw and a spr ng. interposed between the 95 the openin therein, said valve being held disk and piston valve, a gage having an to its sea-t t rough the lnediilm of the spring angled end whic'. 1 is apertured and in which A". The opposite end B of the pipe is on said screw has viveled connection, the wall larged and interiorly threaded to engage of the branching pipe provided with aguide ortion of avalve upon aperture in xvhixh said gage has an adjust- 100 over the threaded p the tire of an automobile and adjacent to the able movement enlarged end is a partition B with perfm 2. A safety v live col-uprising pipe with rations B therein, and B designates a pin an apertured partition. therein, a pin valve projecting from the partition B and is upon said partiwion, an apertured valve pis adapted for the purpose of releasing the ton within. said pipe, a screw fittedin aloe valve upon thetire to be inflated as the pipe threaded aperture in one end of the pipe,

a disk fitted to the end of the screw and a In testimony whereof wehereunto alfix spring interposed between the disk and pisour signatures in presence of two witnesses.

ton valve, a gage having an angled end GEORGE FREDERICK DIAMOND. which is ape'rtured and in which said screw EDWARD T. RICHARDS. 5 has swiveled connection, the Wall of the pipe WVitnesses:

provided with a guide aperturein which sa d ihUGUSTUS SHUFELDT,

' gage has an adjustable movement. HUGH DIAMOND. 

